‘Gaganam’ is expected to be an action entertainer in the backdrop of a flight hijack in Kandahar. Nagarjuna plays a commando, while Prakash Raj plays a terrorist. Interestingly, The movie has no songs and no heroine too. Poonam Kaur has a very small but important role in the movie. The movie has also been shot in Tamil, which is produced by Prakash Raj. The Tamil version is called Payanam.